# 27.79.41.251 — IP Intelligence Summary

27.79.41.251 is an IPv4 address operated by IRT-VNNIC-AP (AS7552), geolocated to Da Nang, Vietnam. Its reverse DNS name is localhost. As of August 29, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/27.79.41.251
- Last updated: 2026-08-29

## Ownership

- Organization: IRT-VNNIC-AP
- Network name: VIETTEL-VN
- Allocated block: 27.64.0.0/12
- ASN: AS7552 (https://ipdebrief.com/asn/7552)
- Regional registry: APNIC

## Location

- City: Da Nang
- Region: Da Nang
- Country: Vietnam
- Time zone: Asia/Ho_Chi_Minh

## Network classification

- Infrastructure type: —
- Datacenter / hosting: no
- Residential: no
- Mobile: no
- Anycast: no
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (25/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- localhost
- Forward-confirmed: no

## Analyst narrative

\# IP Intelligence Briefing: 27.79.41.251/32

\## Executive Summary

IP address 27.79.41.251 presents a low individual risk profile (Risk Score: 25) but operates within a subnet exhibiting elevated abuse density (0.032). Geographic inconsistencies between ownership registration and geolocation signals warrant monitoring. No direct threat indicators observed.

\---

\## Risk Assessment

\- **Overall Risk Score:** 25 (Low Risk)

\- **Provider Score:** 0

\- **Authority Score:** 0

\- **Abuse Confidence Score:** Not available

\- **Threat Classification:** Low Risk

\- **Persistence Status:** Not persistently malicious (0 threat persistence days, 0 threat observations)

\---

\## Ownership & Network Intelligence

\- **ASN:** 7552

\- **Organization:** IRT-VNNIC-AP

\- **Network Name:** VIETTEL-VN

\- **RIR:** APNIC (Asia-Pacific)

\- **CIDR Block:** 27.64.0.0/12

\- **BGP Prefix:** 27.79.40.0/21

\- **Route Stability:** Unstable (isRouteStable: false)

\- **Operator Score:** 0.1304 (Minimal)

\---

\## Geolocation Analysis

**Significant Discrepancy Detected:**

\- **Registered Ownership:** Vietnam (APNIC region, IRT-VNNIC-AP)

\- **Geolocation Signals:**

\- US (Boston, MA) - Multiple sources

\- Vietnam (Da Nang, maxmind-geolite2-city) - Conflicting signal

This geographic inconsistency suggests potential proxy usage, misconfigured infrastructure, or spoofed location data.

\---

\## Threat Indicators

\- **Blacklist Count:** 0

\- **Known Attacker:** No

\- **Spam Source:** No

\- **Tor Exit Node:** No

\- **Vulnerability Scanner Activity:** 0 incidents

\- **WAF Violations:** 0

\- **Honeypot Hits:** 0

\---

\## Network Services & DNS

\- **Open Ports:** None detected

\- **DNS Status:**

\- PTR Hostnames: localhost

\- Forward Resolution: localhost

\- Forward Confirmed: No

\- Forward Hostnames: localhost

\- **Email Authentication:** No SPF, no DMARC records

\- **Service Purpose:** Firewalled / No Services

\---

\## Subnet Neighborhood Analysis (27.79.41.0/24)

\- **Total Siblings:** 31

\- **Abuse Density:** 0.032

\- **Risk Distribution:**

\- High Risk: 1

\- Medium Risk: 17

\- Low Risk: 13

**Notable High-Risk Neighbors:**

| IP Address | Risk Score | Authority Score |

|------------|------------|-----------------|

| 27.79.41.196 | 80 | 50 |

| 27.79.41.78 | 65 | 50 |

| 27.79.41.136 | 65 | 50 |

| 27.79.41.254 | 55 | 50 |

The subnet demonstrates moderate abuse concentration. The target IP's risk score (25) is below the subnet median.

\---

\## Historical Signal Analysis (13 Observations)

Recent observations indicate:

\- Vietnam-based ownership signals (IRT-VNNIC-AP, VIETTEL-VN)

\- Mixed geolocation data (US and Vietnam signals)

\- No escalating threat pattern

\- No significant ownership changes

\---

\## Relationships

\- **Network Association:** VIETTEL-VN

\- **DNS Associations:** localhost (multiple records)

\---

\## Recommended Actions

No specific firewall rules or mitigation actions recommended at this time. The IP presents low individual risk with no active threat indicators. However, the following considerations apply:

1. **Monitor Geographic Inconsistencies:** The discrepancy between APNIC-registered Vietnam ownership and US geolocation signals warrants periodic re-validation.

2. **Subnet Context:** Monitor the 27.79.41.0/24 subnet for elevated activity. One neighbor (27.79.41.196) shows high risk score (80).

3. **Baseline Establishment:** Continue monitoring for changes in geolocation consistency and threat signal accumulation.

4. **No Immediate Block:** Current risk profile does not warrant defensive blocking. Maintain observation status.

\---

\## Conclusion

IP 27.79.41.251 is a low-risk infrastructure endpoint with no active threat indicators. The primary intelligence concern is geographic signal inconsistency and subnet-level abuse density. No immediate action required; maintain baseline monitoring and watch for signal escalation.

## Nearby addresses

- 27.79.41.12 (https://ipdebrief.com/27.79.41.12)
- 27.79.41.18 (https://ipdebrief.com/27.79.41.18)
- 27.79.41.23 (https://ipdebrief.com/27.79.41.23)
- 27.79.41.32 (https://ipdebrief.com/27.79.41.32)
- 27.79.41.44 (https://ipdebrief.com/27.79.41.44)
- 27.79.41.45 (https://ipdebrief.com/27.79.41.45)
- 27.79.41.47 (https://ipdebrief.com/27.79.41.47)
- 27.79.41.68 (https://ipdebrief.com/27.79.41.68)
- 27.79.41.73 (https://ipdebrief.com/27.79.41.73)
- 27.79.41.76 (https://ipdebrief.com/27.79.41.76)
- 27.79.41.78 (https://ipdebrief.com/27.79.41.78)
- 27.79.41.91 (https://ipdebrief.com/27.79.41.91)

---

Source: IPDebrief, "27.79.41.251 IP intelligence", https://ipdebrief.com/27.79.41.251, updated 2026-08-29. Assessments are probabilistic.
